Experimental investigation and characteristics of multiwalled carbon nanotube aqua nanofluids from a flat plate heater surface in a pool

• Autorzy: Vasudevan D. , Senthil Kumar D. , Murugesan A. , Vijayakumar C.

Identyfikatory

DOI

10.24425/bpasts.2020.133380

• Języki publikacji: EN

Abstrakty

EN

In this experimental investigation, the critical heat flux (CHF) of aqua-based multiwalled carbon nanotube (MWCNT) nanofluids at three different volumetric concentrations 0.2%, 0.6%, and 0.8% were prepared, and the test results were compared with deionized water. Different characterization techniques, including X-ray diffraction, scanning electron microscopy and Fourier transform infrared, were used to estimate the size, surface morphology, agglomeration size and chemical nature of MWCNT. The thermal conductivity and viscosity of the MWCNT at three different volumetric concentrations was measured at a different temperature, and results were compared with deionized water. Although, MWCNT-deionized water nanofluid showed superior performance in heat transfer coefficient as compared to the base fluid. However, the results proved that the critical heat flux is increased with an increase in concentrations of nanofluids.

Słowa kluczowe

EN

nanofluids; critical heat flux; heat transfer coefficient; boiling; heat transfer enhancement

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2020
• Tom: Vol. 68, nr 3
• Strony: 547--554
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Vasudevan D.

• Department of Mechanical Engineering, K S Rangasamy College of Technology, Tiruchengode 637 215, India

autor

Senthil Kumar D.

• Department of Mechanical Engineering, Sona College of Technology, Salem 636 011, India

autor

Murugesan A.

• Department of Mechanical Engineering, K S Rangasamy College of Technology, Tiruchengode 637 215, India

autor

Vijayakumar C.

• Department of Mechatronics Engineering, K S Rangasamy College of Technology, Tiruchengode 637 215, India

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).